---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3826 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 839 12737 4 18515 30785 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:cb:f6:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.135/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84436sec preferred_lft 84436sec inet6 fe80::f816:3eff:fecb:f6a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:4b:ce:40:8a:a4 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::784b:ceff:fe40:8aa4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3826) 08/03/26 _x86_64_ (8 CPU) 19:23:52 LINUX RESTART (8 CPU) 19:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:26 281.48 0.47 271.88 9.13 22.99 46534.56 71578.25 19:50:08 8.55 0.19 8.07 0.29 6.65 380.22 1756.90 Average: 149.56 0.33 144.37 4.86 15.09 24225.68 37829.83 19:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:26 639260 20300512 11852208 36.07 599048 18165340 17870128 52.70 4860056 23689436 380 19:50:08 267376 19420992 12731380 38.74 581768 17677604 18780272 55.38 4843452 24065724 604 Average: 453318 19860752 12291794 37.40 590408 17921472 18325200 54.04 4851754 23877580 492 19:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:26 lo 0.62 0.62 0.05 0.05 0.00 0.00 0.00 0.00 19:40:26 ens3 298.61 176.51 2333.81 56.18 0.00 0.00 0.00 0.00 19:40:26 docker0 19.94 34.77 1.15 697.14 0.00 0.00 0.00 0.00 19:40:26 br-c4dce9d6feca 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 19:40:26 vethe8c5b3a 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 19:40:26 veth3571c65 0.31 0.34 0.03 0.13 0.00 0.00 0.00 0.00 19:40:26 veth3ba8061 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 19:40:26 vetha7861b1 13.21 13.38 5.25 2.47 0.00 0.00 0.00 0.00 19:40:26 vethc4eca7d 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 19:40:26 veth23aa5d8 8.27 7.95 1.49 1.80 0.00 0.00 0.00 0.00 19:40:26 vethcf9d087 0.13 0.19 0.25 0.04 0.00 0.00 0.00 0.00 19:40:26 veth9222b8d 1.03 0.88 0.14 0.96 0.00 0.00 0.00 0.00 19:50:08 lo 6.37 6.37 30.41 30.41 0.00 0.00 0.00 0.00 19:50:08 ens3 18.07 12.50 6.20 5.56 0.00 0.00 0.00 0.00 19:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:08 br-c4dce9d6feca 3.55 3.32 29.70 0.79 0.00 0.00 0.00 0.00 19:50:08 vethe8c5b3a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:08 veth3571c65 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 19:50:08 veth3ba8061 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 19:50:08 vetha7861b1 270.83 292.27 205.45 139.38 0.00 0.00 0.00 0.02 19:50:08 vethc4eca7d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:08 veth23aa5d8 130.78 120.41 107.62 71.60 0.00 0.00 0.00 0.01 19:50:08 veth9222b8d 169.27 157.44 77.64 137.72 0.00 0.00 0.00 0.01 Average: lo 3.40 3.40 14.72 14.72 0.00 0.00 0.00 0.00 Average: ens3 163.01 97.23 1208.75 31.71 0.00 0.00 0.00 0.00 Average: docker0 10.30 17.96 0.59 360.18 0.00 0.00 0.00 0.00 Average: br-c4dce9d6feca 1.87 1.74 14.36 0.39 0.00 0.00 0.00 0.00 Average: vethe8c5b3a 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3571c65 0.35 0.27 0.05 0.23 0.00 0.00 0.00 0.00 Average: veth3ba8061 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vetha7861b1 137.73 148.18 102.01 68.65 0.00 0.00 0.00 0.01 Average: vethc4eca7d 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth23aa5d8 67.48 62.31 52.79 35.54 0.00 0.00 0.00 0.00 Average: veth9222b8d 82.35 76.55 37.60 67.06 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3826) 08/03/26 _x86_64_ (8 CPU) 19:23:52 LINUX RESTART (8 CPU) 19:30:03 CPU %user %nice %system %iowait %steal %idle 19:40:26 all 22.11 0.02 3.52 0.93 0.07 73.35 19:40:26 0 22.73 0.02 3.61 1.06 0.07 72.51 19:40:26 1 20.77 0.02 3.65 1.20 0.08 74.27 19:40:26 2 21.70 0.03 3.75 0.71 0.07 73.74 19:40:26 3 23.36 0.02 3.45 0.79 0.07 72.32 19:40:26 4 24.80 0.03 3.22 0.52 0.07 71.36 19:40:26 5 23.36 0.01 3.52 1.29 0.08 71.74 19:40:26 6 20.88 0.04 3.72 1.02 0.08 74.26 19:40:26 7 19.28 0.01 3.21 0.84 0.07 76.59 19:50:08 all 7.94 0.00 1.33 0.02 0.07 90.64 19:50:08 0 7.51 0.00 1.60 0.02 0.07 90.80 19:50:08 1 7.36 0.00 1.39 0.01 0.07 91.16 19:50:08 2 7.83 0.00 1.46 0.01 0.08 90.62 19:50:08 3 8.45 0.00 1.26 0.01 0.07 90.21 19:50:08 4 7.27 0.00 1.29 0.01 0.07 91.36 19:50:08 5 8.40 0.00 1.25 0.01 0.07 90.27 19:50:08 6 8.25 0.00 1.23 0.08 0.07 90.36 19:50:08 7 8.42 0.00 1.16 0.01 0.07 90.34 Average: all 15.26 0.01 2.46 0.49 0.07 81.71 Average: 0 15.37 0.01 2.64 0.56 0.07 81.35 Average: 1 14.27 0.01 2.56 0.63 0.08 82.45 Average: 2 15.00 0.01 2.64 0.37 0.07 81.90 Average: 3 16.16 0.01 2.39 0.41 0.07 80.96 Average: 4 16.34 0.02 2.29 0.27 0.07 81.01 Average: 5 16.13 0.01 2.42 0.67 0.07 80.70 Average: 6 14.78 0.02 2.52 0.57 0.07 82.05 Average: 7 14.04 0.01 2.22 0.44 0.07 83.22